INGOLSTADT, GERMANY - MARCH 11:  An Audi employee polishes the Audi A3 automobile signs, produced by Volkswagen AG's Audi brand, as it moves along the production line at the company's plant in Ingolstadt, Germany, on Monday, March 11, 2013. Audi is set to spend 13 billion euros ($17 billion) through 2016 to expand and develop new cars pursuing BMW’s sales lead.  (Photo by Alexander Hassenstein/Getty Images)